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From Xu Renjie <xrjxrjxrj...@gmail.com>
Subject Re: Astyanax empty column check
Date Wed, 17 Oct 2012 10:48:25 GMT
So what you mean is essentially there is *no* way to differentiate it
because what they "appear" is the same?

On Wed, Oct 17, 2012 at 5:58 PM, rohit bhatia <rohit2412@gmail.com> wrote:

> See
> "If you attempt to retrieve an entire row and it returns a result with
> no columns, it effectively means that row does not exist."
> Essentially a row without co


http://stackoverflow.com/questions/8072253/is-there-a-difference-between-an-empty-key-and-a-key-that-doesnt-exist

lumns doesn't exist.. (except those with tombstones)
>  from here
> On Wed, Oct 17, 2012 at 2:17 PM, Xu Renjie <xrjxrjxrjnet@gmail.com> wrote:
> > Sorry for the version, I am using 1.0.1 Astyanax.
> >
> >
> > On Wed, Oct 17, 2012 at 4:44 PM, Xu Renjie <xrjxrjxrjnet@gmail.com>
> wrote:
> >>
> >> hello guys,
> >>    I am currently using Astyanax as a client(new to Astyanax). But I am
> >> not clear how to differentiate the following 2 situations:
> >> a. A row which has only key without columns
> >> b. No this row in database.
> >>
> >> Since when I use RowQuery to query Cassandra with given key, both the
> >> above two situations will return a ColumnList
> >> with size 0. And also I didn't find other api can handle this.
> >> Do you have any better way for this? Thanks in advance.
> >> Cheers,
> >> Xu
> >
> >
>

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